Structure of PDB 1bzl Chain B

Receptor sequence

>1bzlB (length=483) Species: 5693 (Trypanosoma cruzi) [Search protein sequence]

IFDLVVIGAGSGGLEAAWNAATLYKKRVAVIDVQMVHGPPFFSALGGTCV
NVGCVPKKLMVTGAQYMEHLRESAGFGWEFDRTTLRAEWKNLIAVKDEAV
LNINKSYDEMFRDTEGLEFFLGWGSLESKNVVNVRESADPASAVKERLET
EHILLASGSWPHMPNIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVEF
AGIFNAYKPKDGQVTLCYRGEMILRGFDHTLREELTKQLTANGIQILTKE
NPAKVELNADGSKSVTFESGKKMDFDLVMMAIGRSPRTKDLQLQNAGVMI
KNGGVQVDEYSRTNVSNIYAIGDVTNRVMLTPVAINEAAALVDTVFGTTP
RKTDHTRVASAVFSIPPIGTCGLIEEVASKRYEVVAVYLSSFTPLMHKVS
GSKYKTFVAKIITNHSDGTVLGVHLLGDNAPEIIQGIGICLKLNAKISDF
YNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKP

3D structure

PDB

1bzl Crystal structure of Trypanosoma cruzi trypanothione reductase in complex with trypanothione, and the structure-based discovery of new natural product inhibitors.

Chain

Resolution

2.4 Å

3D
structure

Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]

Enzymatic activity

Catalytic site (original residue number in PDB)	S15 L49 C53 C58 K61 R86 T87 F199 E203 I339 G459 H461 E466 E485 K486
Catalytic site (residue number reindexed from 1)	S11 L45 C49 C54 K57 R82 T83 F195 E199 I335 G455 H457 E462 E481 K482
Enzyme Commision number	1.8.1.12: trypanothione-disulfide reductase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	GCG	B	F396 H461 T463 E466	F392 H457 T459 E462
BS02	GCG	B	W22 V59 Y111 P336 I339	W18 V55 Y107 P332 I335
BS03	FAD	B	G12 G14 S15 D36 V37 S47 G51 T52 C53 G57 C58 K61 G128 S161 I200 R288 R291 G326 D327 L334 T335	G8 G10 S11 D32 V33 S43 G47 T48 C49 G53 C54 K57 G124 S157 I196 R284 R287 G322 D323 L330 T331

Gene Ontology

	Molecular Function
GO:0004362	glutathione-disulfide reductase (NADPH) activity
GO:0015036	disulfide oxidoreductase activity
GO:0015042	trypanothione-disulfide reductase (NADPH) activity
GO:0016491	oxidoreductase activity
GO:0016668	oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
GO:0050660	flavin adenine dinucleotide binding

	Biological Process
GO:0006749	glutathione metabolic process
GO:0034599	cellular response to oxidative stress
GO:0045454	cell redox homeostasis
GO:0098869	cellular oxidant detoxification

	Cellular Component
GO:0005737	cytoplasm
GO:0005739	mitochondrion
GO:0005829	cytosol

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:1bzl, PDBe:1bzl, PDBj:1bzl
PDBsum	1bzl
PubMed	10368274
UniProt	P28593\|TYTR_TRYCR Trypanothione reductase (Gene Name=TPR)

[Back to BioLiP]